Radeon R9 295X2 and GeForce GTX 780 - video card comparison
Passmark - benchmark score Radeon R9 295X2 vs GeForce GTX 780
Radeon R9 295X2
8876
GeForce GTX 780
8247
Radeon R9 295X2
GeForce GTX 780
Architecture
GCN 2.0 (2013−2017)
Kepler (2012−2018)
GPU code name
Vesuvius
GK110
Market segment
Desktop
Desktop
Release date
April 2014
May 2013
Bus support
PCIe 2.1 x16
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Minimum recommended system power
-
600 Watt
Supplementary power connectors
2 x 8-pin
One 8-pin and one 6-pin
Boost clock speed
1018 MHz
900 MHz
Core clock speed
-
863 MHz
CUDA cores
-
2304
Floating-point performance
2x 5,733 gflops
4,156 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
7,080 million
Pipelines / CUDA cores
2816
2304
Power consumption (TDP)
500 Watt
250 Watt
Maximum GPU temperature
-
95 °C
Texture fill rate
179.2
160.5 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
3 GB
Memory bus width
512 Bit
384 Bit
Memory clock speed
1250 MHz
6008 MHz
Memory bandwidth
640 GB/s
288.4 GB/s
Display Connectors
1x DVI, 4x mini-DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support
-
4 displays
Eyefinity
1
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
DisplayPort support
-
-
Audio input for HDMI
-
Internal
DirectX
DirectX® 12
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.3
Shader Model
6.3
5.1
Vulkan
+
1.1.126
3D Gaming
-
+
3D Vision
-
+
3D Vision Live
-
+
AppAcceleration
-
-
Blu Ray 3D
-
+
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PhysX
-
+
PowerTune
-
-
TressFX
1
-
TrueAudio
-
-
UVD
+
-
ZeroCore
-
-